src/HYDROData/HYDROData_PolylineOperator.cxx

   1 // Copyright (C) 2014-2015  EDF-R&D
   2 // This library is free software; you can redistribute it and/or
   3 // modify it under the terms of the GNU Lesser General Public
   4 // License as published by the Free Software Foundation; either
   5 // version 2.1 of the License, or (at your option) any later version.
   6 //
   7 // This library is distributed in the hope that it will be useful,
   8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10 // Lesser General Public License for more details.
  11 //
  12 // You should have received a copy of the GNU Lesser General Public
  13 // License along with this library; if not, write to the Free Software
  14 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  15 //
  16 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  17 //
  18
  19 #include <HYDROData_PolylineOperator.h>
  20 #include <HYDROData_Document.h>
  21 #include <HYDROData_TopoCurve.h>
  22 #include <HYDROData_Object.h>
  23
  24 #ifndef LIGHT_MODE
  25 #include <CurveCreator_Utils.hxx>
  26 #endif
  27
  28 #include <BRepAdaptor_Curve.hxx>
  29 #include <BRep_Builder.hxx>
  30 #include <BRep_Tool.hxx>
  31 #include <BRepBuilderAPI_MakeEdge2d.hxx>
  32 #include <BRepBuilderAPI_MakeEdge.hxx>
  33 #include <BRepBuilderAPI_MakeWire.hxx>
  34 #include <Extrema_ExtCC.hxx>
  35 #include <Extrema_ExtPC.hxx>
  36 #include <GeomAPI_Interpolate.hxx>
  37 #include <NCollection_Vector.hxx>
  38 #include <Precision.hxx>
  39 #include <ShapeAnalysis_TransferParametersProj.hxx>
  40 #include <ShapeBuild_Edge.hxx>
  41 #include <TColgp_Array1OfVec.hxx>
  42 #include <TColgp_HArray1OfPnt.hxx>
  43 #include <TColStd_HArray1OfBoolean.hxx>
  44 #include <TopoDS.hxx>
  45 #include <TopoDS_Edge.hxx>
  46 #include <TopoDS_Wire.hxx>
  47 #include <TopExp.hxx>
  48 #include <TopExp_Explorer.hxx>
  49 #include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
  50 #include <QStringList>
  51 #include <QColor>
  52 #include <Geom_BSplineCurve.hxx>
  53
  54 #define _DEVDEBUG_
  55 #include "HYDRO_trace.hxx"
  56 #include <BRepTools.hxx>
  57 #include <sstream>
  58
  59 template<class T> void append( std::vector<T>& theList, const std::vector<T>& theList2 )
  60 {
  61   int aSize = theList.size();
  62   int aNewSize = aSize + theList2.size();
  63
  64   if( aSize==aNewSize )
  65     return;
  66
  67   theList.resize( aNewSize );
  68   for( int i=aSize, j=0; i<aNewSize; i++, j++ )
  69     theList[i] = theList2[j];
  70 }
  71
  72 bool HYDROData_PolylineOperator::Split( const Handle( HYDROData_Document )& theDoc,
  73                                         const Handle( HYDROData_PolylineXY )& thePolyline,
  74                                         const gp_Pnt2d& thePoint,
  75                                         double theTolerance ) const
  76 {
  77   if (thePolyline.IsNull())
  78   {
  79     return false;
  80   }
  81
  82   std::vector<gp_Pnt2d> aPointsList( 1 );
  83   aPointsList[0] = thePoint;
  84   std::vector<TopoDS_Wire> aCurves;
  85   GetWires(thePolyline, aCurves);
  86   bool isOK = true;
  87   for( int i=0, n=aCurves.size(); i<n; i++ )
  88   {
  89     std::vector<TopoDS_Shape> aCurvesList;
  90     Split( aCurves[i], thePoint, theTolerance, aCurvesList );
  91     bool isLocalOK = CreatePolylines( theDoc, thePolyline->GetName(),
  92       aCurvesList, true, thePolyline->GetWireColor() );
  93     isOK = isOK && isLocalOK;
  94   }
  95   return isOK;
  96 }
  97
  98 bool HYDROData_PolylineOperator::Split( const Handle( HYDROData_Document )& theDoc,
  99               const Handle( HYDROData_PolylineXY )& thePolyline,
 100               const Handle( HYDROData_PolylineXY )& theTool,
 101               double theTolerance,
 102               bool& theIsIntersected) const
 103 {
 104   if (thePolyline.IsNull() || theTool.IsNull())
 105   {
 106     return false;
 107   }
 108
 109   HYDROData_SequenceOfObjects aSeq;
 110   aSeq.Append( theTool );
 111   return split( theDoc, thePolyline, aSeq, theTolerance, -1, theIsIntersected);
 112 }
 113
 114 bool HYDROData_PolylineOperator::Split( const Handle( HYDROData_Document )& theDoc,
 115                                         const HYDROData_SequenceOfObjects& thePolylines,
 116                                         double theTolerance )
 117 {
 118   int f = thePolylines.Lower(), l = thePolylines.Upper();
 119   for( int i=f; i<=l; i++ )
 120   {
 121     Handle( HYDROData_PolylineXY ) aPolyline = Handle( HYDROData_PolylineXY )::DownCast( thePolylines.Value( i ) );
 122     bool isIntersected;
 123     if( !split( theDoc, aPolyline, thePolylines, theTolerance, i, isIntersected) )
 124       return false;
 125   }
 126   return true;
 127 }
 128
 129 bool HYDROData_PolylineOperator::Merge( const Handle( HYDROData_Document )& theDoc,
 130                                         const QString& theName,
 131                                         const HYDROData_SequenceOfObjects& thePolylines,
 132                                         bool isConnectByNewSegment,
 133                                         double theTolerance )
 134 {
 135   Handle( HYDROData_PolylineXY ) aNewPolyline =
 136     Handle( HYDROData_PolylineXY )::DownCast( theDoc->CreateObject( KIND_POLYLINEXY ) );
 137   int ins =0;
 138
 139   HYDROData_SequenceOfObjects::Iterator aPIt(thePolylines);
 140
 141   for (int ip=1; aPIt.More(); aPIt.Next(), ip++)
 142   {
 143     Handle(HYDROData_PolylineXY) aPolyline =
 144       Handle(HYDROData_PolylineXY)::DownCast(aPIt.Value());
 145     NCollection_Sequence<TCollection_AsciiString>           aSectNames;
 146     NCollection_Sequence<HYDROData_PolylineXY::SectionType> aSectTypes;
 147     NCollection_Sequence<bool>                              aSectClosures;
 148     aPolyline->GetSections( aSectNames, aSectTypes, aSectClosures );
 149
 150     for ( int i = 1, n = aSectNames.Size(); i <= n; ++i )
 151     {
 152       const TCollection_AsciiString& aSectName = aSectNames.Value( i ) + "_" + ip;
 153       const HYDROData_PolylineXY::SectionType& aSectType = aSectTypes.Value( i );
 154       bool aSectClosure = aSectClosures.Value( i );
 155       aNewPolyline->AddSection(aSectName, aSectType, aSectClosure);
 156       HYDROData_PolylineXY::PointsList aPointsList = aPolyline->GetPoints(i-1, false);
 157       aNewPolyline->SetPoints(ins++, aPointsList);
 158     }
 159   }
 160   QString aName = theName;
 161   if( aName.isEmpty() )
 162     aName = "merged";
 163   aNewPolyline->SetName(aName);
 164   return true;
 165 }
 166
 167 bool HYDROData_PolylineOperator::split( const Handle( HYDROData_Document )& theDoc,
 168                                         const Handle( HYDROData_PolylineXY )& thePolyline,
 169                                         const HYDROData_SequenceOfObjects& theTools,
 170                                         double theTolerance,
 171                                         int theIgnoreIndex,
 172                                         bool& theIsIntersected) const
 173 {
 174   theIsIntersected = false;
 175
 176   if (thePolyline.IsNull())
 177   {
 178     return false;
 179   }
 180
 181   std::vector<TopoDS_Wire> aCurves;
 182   GetWires(thePolyline, aCurves);
 183   std::vector<TopoDS_Wire> aToolCurves;
 184   for( int i=theTools.Lower(), n=theTools.Upper(); i<=n; i++ )
 185     if( i!=theIgnoreIndex )
 186     {
 187       Handle( HYDROData_PolylineXY ) aToolPolyline =
 188         Handle( HYDROData_PolylineXY )::DownCast( theTools.Value( i ) );
 189       if (!aToolPolyline.IsNull())
 190       {
 191         std::vector<TopoDS_Wire> aTCurves;
 192         GetWires(aToolPolyline, aTCurves);
 193         append( aToolCurves, aTCurves);
 194       }
 195     }
 196
 197   if (aToolCurves.empty())
 198   {
 199     return false;
 200   }
 201
 202   const int aPSCount = aCurves.size();
 203   const int aTSCount = aToolCurves.size();
 204   std::vector<TopoDS_Shape> aResult;
 205   for (int aPSI = 0; aPSI < aPSCount; ++aPSI)
 206   {
 207     HYDROData_TopoCurve aCurve;
 208     DEBTRACE("Initialize curve " << aPSI);
 209     if (!aCurve.Initialize(aCurves[aPSI]))
 210     {
 211       continue;
 212     }
 213
 214     std::deque<std::list<double> > aParams;
 215     for (int aTSI = 0; aTSI < aTSCount; ++aTSI)
 216     {
 217       aCurve.Intersect(aToolCurves[aTSI], aParams);
 218     }
 219
 220     std::deque<HYDROData_TopoCurve> aSplitCurves;
 221     theIsIntersected |= aCurve.Cut(aParams, aSplitCurves);
 222     std::deque<HYDROData_TopoCurve>::const_iterator aCIt =
 223       aSplitCurves.begin();
 224     std::deque<HYDROData_TopoCurve>::const_iterator aLastCIt =
 225       aSplitCurves.end();
 226     for (int iw=0; aCIt != aLastCIt; ++aCIt, iw++)
 227     {
 228       std::stringstream brepName;
 229       brepName << "theSplitWire_";
 230       brepName << iw;
 231       brepName << ".brep";
 232       BRepTools::Write(aCIt->Wire() , brepName.str().c_str() );
 233       aResult.push_back(aCIt->Wire());
 234     }
 235   }
 236
 237   CreatePolylines( theDoc, thePolyline->GetName(), aResult, true, thePolyline->GetWireColor() );
 238   //CreatePolylinesSplit( theDoc, thePolyline, aResult, true );
 239   return true;
 240 }
 241
 242 void HYDROData_PolylineOperator::GetWires(
 243   const Handle( HYDROData_PolylineXY )& thePolyline,
 244   std::vector<TopoDS_Wire>& theWires)
 245 {
 246   TopoDS_Shape aShape = thePolyline->GetShape();
 247   if( aShape.ShapeType()==TopAbs_WIRE )
 248   {
 249     theWires.push_back( TopoDS::Wire( aShape ) );
 250   }
 251   else
 252   {
 253     TopExp_Explorer anExp( aShape, TopAbs_WIRE );
 254     for( ; anExp.More(); anExp.Next() )
 255     {
 256       theWires.push_back( TopoDS::Wire( anExp.Current() ) );
 257     }
 258   }
 259 }
 260
 261 void HYDROData_PolylineOperator::Split(
 262   const TopoDS_Wire& theWire,
 263   const gp_Pnt2d& thePoint,
 264   double theTolerance,
 265   std::vector<TopoDS_Shape>& theWires)
 266 {
 267   HYDROData_TopoCurve aCurve;
 268   if (!aCurve.Initialize(theWire))
 269   {
 270     theWires.push_back(theWire);
 271     return;
 272   }
 273
 274   const gp_XYZ aP(thePoint.X(), thePoint.Y(), 0);
 275   std::list<TopoDS_Edge>::const_iterator aEPos;
 276   double aParam;
 277   aCurve.Project(aP, aEPos, aParam);
 278   HYDROData_TopoCurve aCurve1, aCurve2;
 279   aCurve.Cut(aEPos, aParam, aCurve1, aCurve2);
 280   theWires.push_back(aCurve1.Wire());
 281   if (!aCurve2.IsEmpty())
 282   {
 283     theWires.push_back(aCurve2.Wire());
 284   }
 285 }
 286
 287 //bool HYDROData_PolylineOperator::CreatePolylinesSplit(const Handle( HYDROData_Document )& theDoc,
 288 //                                                      const Handle( HYDROData_PolylineXY )& thePolyline,
 289 //                                                      const std::vector<TopoDS_Shape>& theShapes, bool isUseIndices)
 290 //{
 291 //
 292 //  if (theDoc.IsNull())
 293 //    return false;
 294 //
 295 //  int nbSections = thePolyline->NbSections();
 296 //  const QString& theNamePrefix = thePolyline->GetName();
 297 //  const QColor& theColor = thePolyline->GetWireColor();
 298 //
 299 //  int n = theShapes.size();
 300 //  DEBTRACE("theShapes.size() "<< n);
 301 //  int anIndex = 1;
 302 //  for (int i = 0; i < n; i++)
 303 //    {
 304 //      Handle( HYDROData_PolylineXY ) aPolyline =
 305 //      Handle( HYDROData_PolylineXY )::DownCast(theDoc->CreateObject(KIND_POLYLINEXY));
 306 //      if (aPolyline.IsNull())
 307 //        return false;
 308 //
 309 //      for (int isec = 0; isec < nbSections; isec++)
 310 //        {
 311 //          gp_XY p = gp_XY(0, 0);
 312 //          //double d = thePolyline->GetMinDistance(isec, p);
 313 //        }
 314 //
 315 //      if (isUseIndices)
 316 //        {
 317 //          QString aNewName = theNamePrefix + "_" + QString::number(anIndex);
 318 //          while (!theDoc->FindObjectByName(aNewName).IsNull())  // the object with such a name is not found
 319 //            {
 320 //              anIndex++;
 321 //              aNewName = theNamePrefix + "_" + QString::number(anIndex);
 322 //            }
 323 //          aPolyline->SetName(aNewName);
 324 //        }
 325 //      else
 326 //        {
 327 //          aPolyline->SetName(theNamePrefix);
 328 //        }
 329 //
 330 //      if (theColor.isValid())
 331 //        aPolyline->SetWireColor(theColor);
 332 //    }
 333 //  return true;
 334 //
 335 //}
 336
 337 bool HYDROData_PolylineOperator::CreatePolylines( const Handle( HYDROData_Document )& theDoc,
 338                                                   const QString& theNamePrefix,
 339                                                   const std::vector<TopoDS_Shape>& theShapes,
 340                                                   bool isUseIndices,
 341                                                   const QColor& theColor )
 342 {
 343   if( theDoc.IsNull() )
 344     return false;
 345
 346   int n = theShapes.size();
 347   DEBTRACE("theShapes.size() "<< n);
 348   int anIndex = 1;
 349   for( int i=0; i<n; i++ )
 350   {
 351     Handle( HYDROData_PolylineXY ) aPolyline =
 352       Handle( HYDROData_PolylineXY )::DownCast( theDoc->CreateObject( KIND_POLYLINEXY ) );
 353     if( aPolyline.IsNull() )
 354       return false;
 355
 356     aPolyline->ImportShape(theShapes[i], false, false);
 357     //aPolyline->SetShape( theShapes[i] );
 358
 359
 360     if( isUseIndices )
 361     {
 362       QString aNewName = theNamePrefix + "_" + QString::number( anIndex );
 363       while( !theDoc->FindObjectByName( aNewName ).IsNull() )  // the object with such a name is not found
 364       {
 365         anIndex++;
 366         aNewName = theNamePrefix + "_" + QString::number( anIndex );
 367       }
 368       aPolyline->SetName( aNewName );
 369     }
 370     else
 371     {
 372       aPolyline->SetName( theNamePrefix );
 373     }
 374
 375     if( theColor.isValid() )
 376       aPolyline->SetWireColor( theColor );
 377   }
 378   return true;
 379 }
 380
 381 double HYDROData_PolylineOperator::ReduceDeflection(
 382   const double theDeflection,
 383   HYDROData_TopoCurve& theCurve,
 384   int& thePieceCount)
 385 {
 386   // Construct the approximating B-spline.
 387   std::list<gp_XYZ> aPs;
 388   if (!theCurve.ValuesInKnots(aPs))
 389   {
 390     return -1;
 391   }
 392
 393   Handle(TColgp_HArray1OfPnt) aPs2 = new TColgp_HArray1OfPnt(1, aPs.size());
 394   {
 395     std::list<gp_XYZ>::const_iterator aLastPIt = aPs.end();
 396     std::list<gp_XYZ>::const_iterator aPIt = aPs.begin();
 397     for (int aPN = 1; aPIt != aLastPIt; ++aPN, ++aPIt)
 398     {
 399       aPs2->SetValue(aPN, *aPIt);
 400     }
 401   }
 402   Handle(Geom_BSplineCurve) aBSpline2;
 403   const bool isClosed = theCurve.IsClosed();
 404 #ifndef LIGHT_MODE
 405   if (!CurveCreator_Utils::constructBSpline(aPs2, isClosed, aBSpline2))
 406 #endif
 407   {
 408     return -1;
 409   }
 410
 411   // Calculate the piece deflections.
 412   std::deque<double> aSqDefls;
 413   double aMaxSqDefl = 0;
 414   std::list<TopoDS_Edge>& aEdges = theCurve.Edges();
 415   std::list<TopoDS_Edge>::const_iterator aLastEIt = aEdges.end();
 416   {
 417     std::list<TopoDS_Edge>::const_iterator aEIt = aEdges.begin();
 418     for (int aPrevKCount = 0; aEIt != aLastEIt; ++aEIt)
 419     {
 420       TopLoc_Location aLoc;
 421       double aParams[2];
 422       Handle(Geom_BSplineCurve) aBSpline = Handle(Geom_BSplineCurve)::DownCast(
 423         BRep_Tool::Curve(*aEIt, aLoc, aParams[0], aParams[1]));
 424       const int aKCount = aBSpline->NbKnots();
 425       for (int aKN = 1; aKN < aKCount; ++aKN)
 426       {
 427         const double aParam =
 428           (aBSpline->Knot(aKN) + aBSpline->Knot(aKN + 1)) * 0.5;
 429         const double aParam2 = (aBSpline2->Knot(aPrevKCount + aKN) +
 430           aBSpline2->Knot(aPrevKCount + aKN + 1)) * 0.5;
 431         const double aSqDefl = Abs(aBSpline->Value(aParam).
 432           SquareDistance(aBSpline2->Value(aParam2)));
 433         aSqDefls.push_back(aSqDefl);
 434         if (aMaxSqDefl < aSqDefl)
 435         {
 436           aMaxSqDefl = aSqDefl;
 437         }
 438       }
 439       aPrevKCount += aKCount - 1;
 440     }
 441   }
 442
 443   // Check whether the reducing is necessary.
 444   const double aMaxDefl = Sqrt(aMaxSqDefl);
 445   if (aMaxDefl <= theDeflection)
 446   {
 447     return aMaxDefl;
 448   }
 449
 450   // Reduce the deflections.
 451   const double aThresSqDefl =
 452     Max(aMaxSqDefl * 0.25, theDeflection * theDeflection);
 453   std::list<TopoDS_Edge>::iterator aEIt = aEdges.begin();
 454   std::deque<double>::const_iterator aSqDIt = aSqDefls.begin();
 455   thePieceCount = 0;
 456   for (; aEIt != aLastEIt; ++aEIt)
 457   {
 458     TopLoc_Location aLoc;
 459     double aParams[2];
 460     Handle(Geom_BSplineCurve) aBSpline = Handle(Geom_BSplineCurve)::DownCast(
 461       BRep_Tool::Curve(*aEIt, aLoc, aParams[0], aParams[1]));
 462     Handle(Geom_BSplineCurve) aBSpline2 =
 463       Handle(Geom_BSplineCurve)::DownCast(aBSpline->Copy());
 464     const int aKCount = aBSpline->NbKnots();
 465     for (int aKN = 1; aKN < aKCount; ++aSqDIt, ++aKN)
 466     {
 467       if (*aSqDIt > aThresSqDefl)
 468       {
 469         aBSpline2->InsertKnot(
 470           (aBSpline->Knot(aKN) + aBSpline->Knot(aKN + 1)) * 0.5);
 471       }
 472     }
 473     TopoDS_Edge aEdge;
 474     BRep_Builder().MakeEdge(aEdge, aBSpline2, Precision::Confusion());
 475     BRep_Builder().Add(aEdge, TopExp::FirstVertex(*aEIt));
 476     BRep_Builder().Add(aEdge, TopExp::LastVertex(*aEIt));
 477     thePieceCount += aBSpline2->NbKnots() - 1;
 478     *aEIt = aEdge;
 479   }
 480   return aMaxDefl;
 481 }
 482
 483 bool HYDROData_PolylineOperator::Extract( const Handle(HYDROData_Document)& theDocument,
 484                                           const Handle(HYDROData_Object)& theObject )
 485 {
 486   if( theObject.IsNull() || theDocument.IsNull() )
 487     return false;
 488
 489   QList<TopoDS_Shape> aBoundShapes;
 490   QStringList aBoundNames;
 491
 492   theObject->GetBoundaries( aBoundShapes, aBoundNames );
 493
 494   for( int i=0, n=aBoundShapes.size(); i<n; i++ )
 495   {
 496     TopoDS_Shape aShape = aBoundShapes[i];
 497     if( aShape.IsNull() )
 498       continue;
 499
 500     QString aBoundName = i<aBoundNames.size() ? aBoundNames[i] : "";
 501
 502     Handle( HYDROData_PolylineXY ) aPolyline =
 503       Handle( HYDROData_PolylineXY )::DownCast( theDocument->CreateObject( KIND_POLYLINEXY ) );
 504
 505     if( aPolyline.IsNull() )
 506       return false;
 507
 508     aPolyline->SetShape( aShape );
 509
 510     int anIndex = 0;
 511     QString aName = aBoundName;
 512     while( !theDocument->FindObjectByName( aName ).IsNull() )
 513     {
 514       anIndex++;
 515       aName = aBoundName + "_" + QString::number( anIndex );
 516     }
 517     aPolyline->SetName( aName );
 518   }
 519
 520   return true;
 521 }